package com.fz.song.myspring.spring;


import java.lang.annotation.ElementType;
import java.lang.annotation.Retention;
import java.lang.annotation.RetentionPolicy;
import java.lang.annotation.Target;


//运行时候
@Retention(RetentionPolicy.RUNTIME)
//可以标注类上
@Target(ElementType.TYPE)
public @interface Component {

    String value() default "";
}
